420071640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^2$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 1289008080

約数和(自身を除く): 868936440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 257, 265, 318, 424, 514, 530, 636, 771, 795, 1028, 1060, 1272, 1285, 1542, 1590, 2056, 2120, 2570, 3084, 3180, 3855, 5140, 6168, 6360, 7710, 10280, 13621, 15420, 27242, 30840, 40863, 54484, 66049, 68105, 81726, 108968, 132098, 136210, 163452, 198147, 204315, 264196, 272420, 326904, 330245, 396294, 408630, 528392, 544840, 660490, 792588, 817260, 990735, 1320980, 1585176, 1634520, 1981470, 2641960, 3500597, 3962940, 7001194, 7925880, 10501791, 14002388, 17502985, 21003582, 28004776, 35005970, 42007164, 52508955, 70011940, 84014328, 105017910, 140023880, 210035820, 420071640]

約数ペア:

[(1, 420071640), (2, 210035820), (3, 140023880), (4, 105017910), (5, 84014328), (6, 70011940), (8, 52508955), (10, 42007164), (12, 35005970), (15, 28004776), (20, 21003582), (24, 17502985), (30, 14002388), (40, 10501791), (53, 7925880), (60, 7001194), (106, 3962940), (120, 3500597), (159, 2641960), (212, 1981470), (257, 1634520), (265, 1585176), (318, 1320980), (424, 990735), (514, 817260), (530, 792588), (636, 660490), (771, 544840), (795, 528392), (1028, 408630), (1060, 396294), (1272, 330245), (1285, 326904), (1542, 272420), (1590, 264196), (2056, 204315), (2120, 198147), (2570, 163452), (3084, 136210), (3180, 132098), (3855, 108968), (5140, 81726), (6168, 68105), (6360, 66049), (7710, 54484), (10280, 40863), (13621, 30840), (15420, 27242)]